1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
SUBROUTINE DVFILL(NPPA,DIRVEC)
C FUELLEN DES FELDES DIRVEC
IMPLICIT DOUBLE PRECISION (A-H,O-Z)
DIMENSION DIRVEC(3,*)
INTEGER FSET(3,20), KSET(2,30)
DATA KSET/ 1, 2, 1, 3, 1, 4, 1, 5, 1, 6,
1 12,11,12,10,12, 9,12, 8,12, 7,
2 2, 3, 3, 4, 4, 5, 5, 6, 6, 2,
3 7, 8, 8, 9, 9,10,10,11,11, 7,
4 2,7,7,3,3,8,8,4,4,9,9,5,5,10,10,6,6,11,11,2/
DATA FSET/ 1, 2, 3, 1, 3, 4, 1, 4, 5, 1, 5, 6, 1, 6, 2,
1 12,11,10,12,10, 9,12, 9, 8,12, 8, 7,12, 7,11,
2 2, 3, 7, 3, 4, 8, 4, 5, 9, 5, 6,10, 6, 2,11,
3 7, 8, 3, 8, 9, 4, 9,10, 5,10,11, 6,11, 7, 2/
DIRVEC (1,1) = -1.D0
DIRVEC (2,1) = 0.D0
DIRVEC (3,1) = 0.D0
ND=1
R=SQRT(.8D0)
H=SQRT(.2D0)
DO 10 I= -1,1,2
DO 10 J= 1,5
ND=ND+1
BETA=1.D0+ J*1.25663706D0 + (I+1)*0.3141593D0
DIRVEC(2,ND)=R*COS(BETA)
DIRVEC(3,ND)=R*SIN(BETA)
DIRVEC(1,ND)=I*H
10 CONTINUE
DIRVEC (2,12) = 0.D0
DIRVEC (3,12) = 0.D0
DIRVEC (1,12) = 1.D0
ND=12
C NPPA=10*3**K*4**L+2
M=(NPPA-2)/10
DO 20 K=0,10
IF ((M/3)*3 .NE. M) GO TO 30
20 M=M/3
30 DO 40 L=0,10
IF ((M/4)*4 .NE. M) GO TO 50
40 M=M/4
50 IF (10*3**K*4**L+2 .NE. NPPA) STOP 'VALUE OF NPPA NOT ALLOWED:
1 IT MUST BE 10*3**K*4**L+2'
KH=K/2
M=2**L*3**KH
C CREATE ON EACH EDGE 2**L*3**KH-1 NEW POINTS
DO 70 I=1,30
NA=KSET(1,I)
NB=KSET(2,I)
DO 70 J=1,M-1
ND=ND+1
DO 60 IX=1,3
60 DIRVEC(IX,ND)=DIRVEC(IX,NA)*(M-J)+DIRVEC(IX,NB)*J
70 CONTINUE
C CREATE POINTS WITHIN EACH TRIANGLE
DO 90 I=1,20
NA=FSET(1,I)
NB=FSET(2,I)
NC=FSET(3,I)
DO 90 J1=1,M-1
DO 90 J2=1,M-J1-1
ND=ND+1
DO 80 IX=1,3
80 DIRVEC(IX,ND)=DIRVEC(IX,NA)*(M-J1-J2)
1 +DIRVEC(IX,NB)*J1+DIRVEC(IX,NC)*J2
90 CONTINUE
IF (K .EQ. 2*KH) GO TO 140
C CREATE TO ADDITIONAL SUBGRIDS
T=1.D0/3.D0
DO 110 I=1,20
NA=FSET(1,I)
NB=FSET(2,I)
NC=FSET(3,I)
DO 110 J1=0,M-1
DO 110 J2=0,M-J1-1
ND=ND+1
DO 100 IX=1,3
100 DIRVEC(IX,ND)=DIRVEC(IX,NA)*(M-J1-J2-2*T)
1 +DIRVEC(IX,NB)*(J1+T)+DIRVEC(IX,NC)*(J2+T)
110 CONTINUE
T=2.D0/3.D0
DO 130 I=1,20
NA=FSET(1,I)
NB=FSET(2,I)
NC=FSET(3,I)
DO 130 J1=0,M-2
DO 130 J2=0,M-J1-2
ND=ND+1
DO 120 IX=1,3
120 DIRVEC(IX,ND)=DIRVEC(IX,NA)*(M-J1-J2-2*T)
1 +DIRVEC(IX,NB)*(J1+T)+DIRVEC(IX,NC)*(J2+T)
130 CONTINUE
C NORMALIZE ALL VECTORS
140 DO 170 I=1,NPPA
DIST=0.D0
DO 150 IX=1,3
150 DIST=DIST+DIRVEC(IX,I)**2
DIST=1.D0/SQRT(DIST)
DO 160 IX=1,3
160 DIRVEC(IX,I)=DIRVEC(IX,I)*DIST
170 CONTINUE
RETURN
END
|
